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Peronopsis
Taxonomy
Peronopsis was named by Corda (1847). Its type is Axagnostus fallax.
It was assigned to Peronopsinae by Henningsmoen (1952) and Palmer (1954); to Quadragnostidae by Palmer and Gatehouse (1972) and Palmer and Halley (1979); to Peronopsidae by Robison (1995) and Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was assigned to Peronopsinae by Henningsmoen (1952) and Palmer (1954); to Quadragnostidae by Palmer and Gatehouse (1972) and Palmer and Halley (1979); to Peronopsidae by Robison (1995) and Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
P. (Armagnostus), P. (Proacadagnostus), P. (Svenax), P. (Vulgagnostus), P. amplaxis, P. angustilimbatus, P. bilobus, P. bulkurensis, P. curtus, P. cylindrica, P. elkedraensis, P. elongatus, P. fallax, P. guoleensis, P. inarmata, P. integer, P. integra, P. intermedius, P. ozakii, P. prodigialis, P. pseudointerstrictus, P. roddyi, P. shandongensis, P. taitzuhoensis, P. ultimus, P. xichuanensis
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Peronopsis Corda |
| 1847 | Mesophenicus Hawle and Corda p. 46 |
| 1909 | Mesagnostus Jaekel p. 398 |
| 1952 | Peronopsis Henningsmoen |
| 1954 | Peronopsis Palmer p. 69 |
| 1972 | Peronopsis Palmer and Gatehouse p. 9 |
| 1979 | Peronopsis Palmer and Halley pp. 75 - 76 |
| 1995 | Peronopsis Robison p. 302 |
| 1997 | Peronopsis Whittington et al. p. 360 |
| 2002 | Peronopsis Sepkoski |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Peronopsis Corda 1847
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Subg. †Peronopsis (Proacadagnostus) Naimark 2012
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†Peronopsis (Proacadagnostus) normata Whitehouse 1936
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Invalid names: Agnostus chinensis Walcott 1913 [synonym]
Subg. †Peronopsis (Svenax) Opik 1979
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†Peronopsis (Svenax) egenus Jago 1976
†Peronopsis (Svenax) pusillus Tullberg 1880
Subg. †Peronopsis (Vulgagnostus) Naimark 2012
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†Peronopsis (Vulgagnostus) longinqua Öpik 1979
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Invalid names: Peronopsis prolixa Öpik 1979 [synonym]
†Peronopsis amplaxis Robison 1982
†Peronopsis angustilimbatus Ergaliev and Ergaliev 2008
†Peronopsis bilobus Yang et al. 1993
†Peronopsis bulkurensis Pokrovskaya and Pegel 1982
†Peronopsis curtus Ergaliev and Ergaliev 2008
†Peronopsis cylindrica Westergard 1946
†Peronopsis elkedraensis Eldredge 1902
†Peronopsis elongatus Ergaliev and Ergaliev 2008
†Peronopsis fallax Linnarsson 1869
†Peronopsis guoleensis Sun 1989
†Peronopsis inarmata Hutchinson 1962
†Peronopsis integer Beyrich 1845
†Peronopsis integra Beyrich 1845
†Peronopsis intermedius Ergaliev and Ergaliev 2008
†Peronopsis ozakii Resser and Endo 1937
†Peronopsis prodigialis Ergaliev and Ergaliev 2008
†Peronopsis pseudointerstrictus Ergaliev and Ergaliev 2008
†Peronopsis roddyi Resser and Howell 1938
†Peronopsis shandongensis Sun 1989
†Peronopsis taitzuhoensis Lu 1957
†Peronopsis ultimus Ergaliev 1980
†Peronopsis xichuanensis Yang et al. 1993
Invalid names: Mesagnostus Jaekel 1909 [synonym], Mesophenicus Hawle and Corda 1847 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer 1954 | Cephalon with glabella bilobed, tapered forward; no median longitudinal preglabellar furrow; basal glabellar lobes simple. Pygidium with axial lobe usually bluntly pointed posteriorly; length variable; transverse axial furrows shallow or absent; margin with or without a pair of posterolateral spines. |